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Long-Lived Assets - Summary of Carrying Values of Customer Contract Cost Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Capitalized Contract Cost [Line Items] |  |
Gross Carrying Amount | $ 87,131 | $ 82,272
Accumulated Amortization | (39,893) | (31,526)
Net Amount | 47,238 | 50,746
Customer contract incentives |  |
Capitalized Contract Cost [Line Items] |  |
Gross Carrying Amount | 4,626 | 4,626
Accumulated Amortization | (2,320) | (1,612)
Net Amount | 2,306 | 3,014
Capitalized costs |  |
Capitalized Contract Cost [Line Items] |  |
Gross Carrying Amount | 70,214 | 68,085
Accumulated Amortization | (33,104) | (26,482)
Net Amount | 37,110 | 41,603
Capitalized commission fees |  |
Capitalized Contract Cost [Line Items] |  |
Gross Carrying Amount | 12,291 | 9,561
Accumulated Amortization | (4,469) | (3,432)
Net Amount | $ 7,822 | $ 6,129

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- Definition Amount of accumulated amortization of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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- Definition Amount, before accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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